Safety-envelop



WITNESSES A. 'PRASZEK, DECD. L- CIRNIAWA. ADMINISTRATOR. SAFETY ENVELOP. APPLICATION FILED JUNE 25. I917.

Patented Nov. 30, 1920.

2 SHEETS-SHEET I. .1 3/ 6 5 3 AZ V1 6 o 11 o INVENTOR AmfkOIZyBKaSZe/Z ATTORNEY Q n i A. PRASZEK, DEC'D. L. CIRNIAWA. ADMINISTRATOR. SAFETY ENVELOP- APPLICAHON FILED JUNE 26. I91].

1 60,793, Patented Nov. 30, 1920.

2 SHEETS-SHEET 2- I V INVENTOR WITNESSES A dfhg7gPFdX6k ATTo R N EY UNITED STATES ANTHONY PRASZEK, 0F HAZLETON, PENNSYLVANIA; LUDWIG CIRNIAWA ADMINIS- TR ATOR OF SAID ANTHONY PRASZEK, DECEASED.

SAFETYENVEIiOP.

Specification of Letters Patent.

Patented Nov. 30, 1920.

Application filed June 26, 1917. Serial No. 177,126.

To all whom it may concern:

Be it known that I,ANTHONY PRASZEK, a citizen of the United States, residing at Hazleton, in the county of Luzerne and State of Pennsylvania, have invented new and useful Improvements in Safety-Envelops, of which the following is a specification.

This invention relates to improvements in safety envelops, the object of the invention being to provide an improved envelop of this kind which comprises an inner pocket or member and an outer member in which the inner member is entirely inclosed when the envelop is fastened and which also embodies common fastening means for the parts of the inner and outer members'; a further object of the invention being to provide an improved envelop of this kind which is made from a single blank.

The invention consists in the construction, combination and arrangement of devices hereinafter described and claimed.

In the accompanying drawings Figure 1 is a perspective View, partly open, of a safety envelop constructed and arranged in accordance with my invention.

Fig. 2 is a sectional view of the same on the plane indicated by the line 2-2 of Fig. 1.

Fig. 3 is a Similar view on the plane indicated by the line 33 of Fig. 1.

Fig. 4 1s a plan of the blank from which the envelop is formed.

Fig. 4 is a detailed sectionalview of the envelops, through one of the fastening members.

Fig. 5 is a perspective view of a modified form of my improved safety envelop, showing the same partly open.

Fig. 6 is a transverse central sectional view of the same.

Fig. 7 is a transverse sectional view of the same, showing the envelop closed.

Fig. 8 is a plan of the blank from which this form of the envelop is folded.

Referring first to the form of my safety envelop shown in Figs. 1, 2, 3 and 4, a blank is provided, which is made of a single piece of paper or other suitable material and which is provided with fold lines 1, 2, 3 and 4 extending transversely thereacross. The back 3 and front 4; of the inner pocket or member 5 are connected by the fold line member 0 velop member. The fold line 3 unites the back 8 and front 9 of the outer member and the fold line 4 unites the back flap 10 of the outer member with the front 9. At the ends of the front 9 are end flaps 11 which are folded on the lines 12.

, In forming the envelop from the blank the back 3 of the inner member is folded against the front 4, theend flaps 6 are arranged on the outer side of the back 3, the inner member is then folded inwardly on the line 2 so that the back 3' of the inner member is arranged on the inner side of the back 8 of the outer member. The inner member is then further folded on the line 3 to arrange its front 4 on the inner side of the front 9 of the outer member and the end flaps 11 are then folded inwardly on the back 8 and are covered, when the envelop is closed, by the back flap 10. I also provide common fastening devices 13 for the parts of the inner and outer envelop members and which are here shown as having clips 14 for fastening the flaps 6 on the back 3' of the inner member, shanks 15, which may be tubular, which project outwardly from said clips and pass through openings in the back 8, end flaps 11 and back flap 10 of the outer member, and disks or heads 16 on the outer side of said back flap 10 and which are fastened on said studs or tubular portions of the fastening devices by upsetting the outer ends of the latter.

In the form of my invention shown in Figs. 5, 6, 7 and 8 an inner pocket or envelop member 17 and an outer member 18 are substantially like those shown in the form of the invention illustrated by Figs. 1, 2, 3 and at excepting that the back 19 of the outer envelop member is provided with a slit 20 which forms a back flap 21 for the inner envelop member out of a portion of the back 19 of the outer envelop member.

My improved safety envelop is simple in construction, is extremely strong, and the inner member or pocket thereof is so completely incased in the outer member as to prevent the possibility of the extraction of any of the envelop without cutting the outer member or otherwise injuring the envelop and hence betraying the fact that the same has been tampered with. I

Having thus described my invention, I claim The combination with an envelop having duplicate inner and outer members, and a panel connecting said members, each of the latter including a body portion, end and side flaps, said panel and the end and side flaps all having openings adapted to coincide .When the envelop is folded, of a fastening for said parts comprising a hollow tubular member passed through the said openings of the side and end flaps of the inner member,

ahead formed on one end of said tubular.

" member and bearing against the end flap tubular member at a point between its ends.-

bendable tongues carried by saididisk and passed through said side and endflap of the inner member whereby said tubular member is held in position upon the envelop, a second disk surroundin the opening of the finally closed flap 0% member, the latter mentioned disk being adapted to receive said tubular member when the envelop is completely folded, and the exposed endr-of said tubular member being subsequently 'upset to provide a head bearing againstthe latter mentioned disk.

In testimony whereof I affix my signature.

ANTHONY PRASZEK.

the outer 

